January
- 3 — Wayne Ambler — Drove in 73 runs in career
- 6 — Ronny Miller — Pitched in single game
- 7 — Hiker Moran — Pitched in seven games
- 11 — Joe Becker — Drove in 13 runs in majors
February
- 5 — Marv Olson — Drove in 30 runs in career
- 9 — Bill Froats — Single game in Major Leagues
- 11 — Mike Fornieles — 63 Wins in 12 Seasons
- 23 — Ray Stoviak — Hitless in 10 at-bats in majors
- 25 — Joe Gallagher — Hard-hitter had brief career in majors
March
- 2 — Slick Castleman — Last winning pitcher at Baker Bowl
- 6 — Frank Barrett — Won 15 games in the majors
- 10 — Ed Walczak — Played in 20 major league games
- 17 — Milo Candini — 26-21 in major league career
- 29 — Dick Phillips — Hit 10 home runs in 1963
April
- 1 — Dave Smith — 2-1 record in the majors
- 6 — John Wyatt — Record 103 saves in career
- 13 — Jack Bolling — Hit four home runs in major leagues
- 18 — Walter Sessi — Collected two hits
- 27 — John Irvin Kennedy — Integrated the Phillies
- 29 — Ron Blackburn — Won three games for Pirates
May
- 1 — Heinie Heltzel — 17 hits in the major leagues
- 2 — Johnny Grodzicki — Posted 2-2 record in career
- 4 — Sam Gentile — One hit in eight games
- 9 — Ray Noble — Played in 107 games for Giants
- 14 — Bill Sodd — Hitless in a single at-bat
- 15 — Packy Rogers — Played in 23 games in majors
- 16 — Rufino Linares — Hit 11 home runs in MLB
- 22 — Fred Hatfield — Baseball player and college coach
- 26 — Charlie White — Catcher played in 62 games
June
- 7 — Tom Buskey — 21 pitching victories in eight seasons
- 10 — Jim Hearn — Won 109 games in 13 seasons
- 11 — Harry Anderson — Drove in 242 runs in career
- 21 — Al Campanis — Spent career as executive with Dodgers
July
1 — Ed Connolly — 6-12 as major league pitcher2 — Leon Brinkopf — Played in nine games in majors6 — Ed Sanicki — Hit three home runs in 20 games13 — Red Badgro — In Football Hall of Fame16 — Jess Dobernic — 7-3 in major league career19 — Elmer Valo — 20 seasons in major leagues27 — Bill Tuttle — Devoted to cause of cancer awareness
August9 — Ray Moss — Debuted with Dodgers in 192613 — Rafael Robles — Played in 47 games for Padres17 — Johnny Lipon — Played and managed in MLB20 — Gene Host — 0-2 record in MLB career20 — Fred Sington — Hit .271 in 181 games
September
- 1 — Earl Harrist — Winner of 12 games in major leagues
- 9 — Jerry Zimmerman — Catcher played in 483 games
- 11 — Larry Bradford — Former reliever for Braves
- 17 — Slim Emmerich — Pitched to 4-4 record in majors
- 17 — Chet Hoff — Died at 107 years old
- 30 — Dan Quisenberry — Record 244 saves in career
October
- 4 — Lee Grissom — Won 29 games in MLB
- 6 — Mark Belanger — Outstanding defensive shortstop
- 10 — Strick Shofner — Played in five games in majors
- 10 — El Tappe — Player, coach and manager in MLB
- 16 — Frank Carswell — Played in 16 games in the majors
- 21 — Phil Haugstad — Finished with a 1-1 record in career
- 30 — George Schmees — Played in one season in majors
- 31 — Bob Thurman — Played in Negro Leagues & MLB
November
- 2 — Elmo Plaskett — Catcher for the Pirates
- 10 — Hal Newhouser — Hall of Famer won back-to-back MVPs
- 13 — Al Wright — Had a hit in his only at-bat
- 20 — Dick Sisler — Player and manager in majors
- 29 — Jim Turner — Spent 51 years in pro baseball
- 30 — Jesse Levan — Hit .286 in brief major league career
- 30 — Ad Liska — Won 17 games in five seasons
December
- 2 — Ben Guintini — Hitless in seven at-bats
- 2 — Red Roberts — Played in nine games in 1943
- 12 — Denny Galehouse — Winner of 109 games in majors
- 15 — Johnny Riddle — Catcher played in 98 games in majors
- 16 — Johnny Gorsica — Pitched in majors for seven seasons
- 19 — Joe Mack — Played in 66 games in majors
- 20 — John Anderson — Pitched in 24 games
- 26 — Dewey Adkins — Winner of two games in majors
- 30 — Jack Graham — Hit 38 home runs in two seasons
Special thanks to several members of SABR for their assistance in compiling this list.